Closure for a Container
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United States of America Patent
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N/A
Issued Date -
Oct 3, 2013
app pub date -
Dec 7, 2011
filing date -
Dec 23, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A closure for a container comprises a circular base, a skirt extending from the periphery of the base, an outer seal, a plug seal in the form of an annulus, and at least one rib lying on the surface of the base in a substantially radial direction and in contact with the radially inner surface of the plug seal at one end for transferring any movement of the base, relative to the skirt, to the plug seal such that the plug seal is pulled radially inward to allow venting of excess pressure within the container. The outer seal of the closure comprises at least one deformation portion which partially interrupts the sealing effect of the outer seal in case overpressure occurs.
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